Two of the following values of x are solutions to the equation: x^2 + 4x - 12 = 10x + 4

a) x = -2
b) x = -5
c) x = 6
d) x = 8

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

Find the domain of the following expression: 1/(√x)-2

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%